Class 6 Science MCQ The Living Organisms and Their Surroundings

Question : Bacteria and fungus are examples for ____________

(a) Producers
(b) Consumers
(c) Decomposers
(d) None of these

Question : Hydrilla is an example for ____________

(a) Submerged Hydrophyte
(b) Floating Hydrophyte
(c) Semi-floating Hydrophyte (d) None of the above

Question : Living component of a habitat is called as ____________

(a) Abiotic
(b) Aquatic
(c) Biotic
(d) Amphibious

Question : ____________ are organisms which cannot prepare their food.

(a) Autotrophs
(b) Phototrophs
(c) Heterotrophs
(d) None of the above 

Question : Anything which produce and response in an organism is called as ____________

(a) Life Cycle
(b) Adaptation
(c) Stimulus
(d) Growth

Question : An example for unicellular organism is ___________

(a) Yeast
(b) Mango Plant
(c) Dog
(d) Men

Question : Life cycle of a living organism begins with _____________

(a) Birth
(b) Growth
(c) Death
(d) Reproduction

Question : Wind dispersed seeds have ____________________

(a) wings & hair
(b) Hooks
(c) fibrous outercoat
(d) None of the above

Question : Adaptation found in palm and coconut trees is ________________

(a) Leaves are reduced
(b) Leaves become needle shape (c) Leaves become deeply incised / Seveted
(d) Trees grow tall without branches

Question : Buffaloes are often found near ponds because

(a) They breath only in the pond
(b) They cool themselves in the pond

(c) They like to play in water
(d) None of the above

Question : A potted plant is kept in a card board box with a small slit of sun light exhibits ___________

(a) Photographic movement
(b) Geo-movement
(c) Both a & b
(d) None of the above

Question : If we blow through lime water it turns milky. This proves that _________

(a) lime water has milk in it
(b) lime water has oxygen in it (c) Exhaled air contains carbon dioxide
(d) None of the above

Question : We move our hand immediately, if we touch the hot object. In this which is stimulus.

(a) hand
(b) brain
(c) hot object
(d) spinal cord

Question : Dolphins and whales breathe through _____________

(a) Gills
(b) Skin
(c) Lungs
(d) Blowholes

Question : Lions have eyes in front because

(a) It can see the colour of t he object correctly
(b) It should look in front only
(c)  It can locate its prey exactly
(d) It knows the presence of its prey.

Question : Suppose you accidently sit on a drawing pin. You would jump up quickly. The pricking of the pin is called the ____.

(a)  Response
(b)  paining reaction
(c)   quick reaction
(d)  stimulus

Question : Living beings are characterized by all except ____.

(a) Reproduction
(b)  Locomotion
(c)   Respiration
(d)  getting crystallized

Question : Which of the following metabolic activity is responsible for replacing and repairing tissues?

(a) Reproduction
(b)  Cell division
(c)  Digestion
(d) Growth

Question : Which is not an abiotic component of environment?

(a) Soil
(b) Bacteria
(c) Water
(d) Air

Question : The feature of a fish that helps it to live inside:

(a) Mountain
(b) Forest
(c) Water
(d) None of these

Question : Fishes move about in the water with the help of their

(a) mouths and gills
(b) legs and scale
(c) wings and tails
(d) fins and tails

Question : Science of study of living things is called

(a) Botany
(b) Biology
(c) Zoology
(d) None of these

Question : Dolphins and whales breathe through _

(a) Gills
(b) Skin
(c) Lungs
(d) Blowholes

Question : Which is an aquatic adaptation?

(a) Streamlined body
(b) Light and hollow bones
(c) Hair on body
(d) Gills

Question : The leaves of cactus plants are in the shape of spines which helps in reducing loss of water from leaves through:

(a) Respiration
(b) Reproduction
(c) Transpiration
(d) None of these

Question : Primary function of scales on fishes is to

(a) help them to swim
(b) keep them warm
(c) attract other fishes
(d) protect themselves

Question : The place where living beings live is called their __

(a) Adaptation
(b) Habitat
(c) Habit
(d) Movement

Question : Sunken stomata are present in

(a) hydrophytes
(b) epiphytes
(c) xerophytes
(d) mesophytes

Question : Which substance is removed from Acacia as waste product ?

(a) Fruits
(b) Leaves
(c) Flowers
(d) Gum

Question : An animal lives on land and in water. It has a tail and its body is covered with scales. This animal is

(a) shark
(b) crocodile
(c) frog
(d) fish

Question : Which is the major component of the living environment?

(a) Water
(b) Soil
(c) Trees
(d) Ponds

Question : Every thing around an organism which affects it is known as its:

(a) Environment
(b) Natural environment
(c) Man-made environment
(d) None of these

Question : Which one of the following animals reproduce by giving birth to young ones?

(a) Frog
(b) Crocodile
(c) Turtle
(d) Giraffe

Question : Global warming increases the concentration of _ in the atmosphere

(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Hydrogen

Question : When organisms live in water then it is known as:

(a) Habitat
(b) Biotic components
(c) Terrestrial habitat
(d) Aquatic habitat

Question : Which one of the following statements is correct?

(a) Several kinds of plants and animals may share the same habitat.
(b) All the animals and plants in a habitat are adopted to it.
(c) Both the statements are correct.
(d) None of these is correct.